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rail API Specification (1.1.2)

Welcome to the rail Developer Guide!

Download OpenAPI description
rail-spec.json
rail-spec.yaml
Languages
Servers
Mock server

https://docs.rail.io/_mock/api-docs/openapi/rail-spec/

Sandbox - Stable API Instance

https://sandbox.layer2financial.com/api/

Production - Stable API Instance

https://platform.layer2financial.com/api/

Applications

Applications represent the onboarding journey for your customers. They are used to collect KYC information and documents required to open accounts on the platform. Visit our guides for a detailed understanding on how to use these APIs.

Operations

Accounts

Accounts are used to hold funds on the platform. Once a customer is onboarded via the application process, you can create accounts for them in various currencies.

Operations

Counterparties

Counterparties represent external entities that you may wish to send or receive funds from. All counterparties are verified to ensure compliance with regulatory requirements prior to being available for use for withdrawals.

Operations

Customers

Customers can only be created via the application process. Once created, customers can have multiple accounts associated with them.

Operations

Deposits

Deposits are used to request instructions for funding platform managed accounts from external sources. A given account may have many deposits associated with it depending on the supported rails and configurations.

Operations

Documents

Document uploading and management functions.

Operations

Upload Document

Request

Uploads a document to the system. Subsequent uploads to the same id will overwrite previous documents.ß

Security
OAuth2Flow
Path
idstringrequired

Document ID

Headers
Authorizationstring

OAuth bearer token (see authentication flows)

x-l2f-request-idstring

Optional Unique ID per request, useful for fault resolution/diagnosis and audit.

x-l2f-idempotency-idstring

Unique ID used to safely retry an operation. See idempotency section for more details.

Bodymultipart/form-data
filestring(binary)required

Supported extensions: PDF, JPEG/JPG, PNG.

Max Size: 30MB.

File name: No special characters. The file MUST have an extension.

curl -i -X POST \
  'https://docs.rail.io/_mock/api-docs/openapi/rail-spec/v1/documents/{document_id}' \
  -H 'Authorization: Bearer <YOUR_TOKEN_HERE>' \
  -H 'Content-Type: multipart/form-data' \
  -H 'x-l2f-idempotency-id: string' \
  -H 'x-l2f-request-id: string' \
  -F file=string

Responses

Success

Bodyapplication/json
dataobject(DocumentBase)required
data.​idstringread-onlyrequired

Unique ID of the document

Example: "905666e7-2d5b-4ac4-bd96-e02675fc678f"
Response
application/json
{
  "data": {
    "id": "905666e7-2d5b-4ac4-bd96-e02675fc678f"
  }
}

Download Document

Request

Downloads a previously upload document

Security
OAuth2Flow
Path
idstringrequired

Document ID

Headers
Authorizationstring

OAuth bearer token (see authentication flows)

x-l2f-request-idstring

Optional Unique ID per request, useful for fault resolution/diagnosis and audit.

curl -i -X GET \
  'https://docs.rail.io/_mock/api-docs/openapi/rail-spec/v1/documents/{document_id}/download' \
  -H 'Authorization: Bearer <YOUR_TOKEN_HERE>' \
  -H 'x-l2f-request-id: string'

Responses

Success

Bodyapplication/octet-stream
Response
No content

Exchanges

Exchanges are used to convert funds from one currency to another. This is achieved by moving money between 2 platform accounts that are denominated in different currencies. We have eliminated the complexity of traditional currency trading.

Operations

Payments

Payments are used to orchestrate end to end payment flows from external parties or from within the platform.

Operations

Transactions

Transactions are created to record the movement of funds between accounts. The transactions endpoint allows the bulk retrieval of transaction data for reconciliation and reporting purposes.

Operations

Transfers

Transfer are used to move funds between two platform managed accounts that are denominated in the same currency.

Operations

Withdrawals

Move funds from a platform managed account to an external counterparty via supported rails.

Operations

Settlements

Settlement services for funds confirmation and reconciliation. Settlements are a deprecated concept and will be removed in future versions of the API. Please use Payments for all new integrations.

Operations

Subscriptions (Webhooks)

Manage your callback (webhook) subscriptions. Subscriptions allow you to receive real-time notifications of events that occur within your platform instance. Visit the guides for a full breakdown of all available events.

Operations
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